body {
    margin: 8px;
}

#student-form input:not([type=radio]) {
    outline: none;
    border: 1px solid #ccc;
    padding: 10px 0 10px 8px;
    width: 300px;
}

#student-form input[type=radio] {
    width: 24px;
    height: 24px;
}

#student-form > div {
    margin-bottom: 10px;
}

#student-form > div > label:first-child {
    display: inline-block;
    text-align: right;
    width: 100px;
}

#student-form .sex-wrapper > * {
    vertical-align: middle;
}

#student-form .sex-wrapper > input[type=radio] {
    margin-right: 3px;
}

#student-form #submit-btn {
    outline: none;
    border: 1px solid transparent;
    padding: 8px 20px;
    background-color: #1e9fff;
    color: #fff;
}